Press



('Model.) '7 Sheets-Sheet 1.

R. MIBHLB.

PRINTING PRESS.

No. 304,345. Patented Sept. 2, 1884.

7 Sheets-Sheet 2.

(Model.)

R. MIEI-ILE.

PRINTING PRESS.

No. 3U4,345. g Patented Sept. 2 884.

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N. PETERS. Pnmn-Lnhognw". washing D. c.

(Model.) 7 Sheets-Sheet 3.

R. MIE'HLE.

PRINTING PRESS. No. 304,345.

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N. PETERSA Prwnrumngnpmr. wahmglnn. 0.a

Patented Se t. 2 1884-l 7 sheets-sheen 4. R. MIEHLE.

PRINTING PRESS.

(Model.)

Patented Sept. 2, 1884.

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(Model.) 7 sheets-sheet 5.

R. MIEHLE.

y PRINTING PRESS. No. 304,345. Patented, Sept. 2, 1884.

PETERS. Phowuxhognpher. wuhmgmn. n. C.

7 Sheets-Sheet 6.' R. MIEHLE.

PRINTING PRESS.

(Model.)

No. 304,345. Patented Sept. 2, 1884.

(Model.) l 7 Sheets-Sheet 7. R, MIEHLE.

PRINTING PRESS. No. 304,345. Patented Sept. 2. 1884.l

HUIlllllllllllllllllllllllllll NA PETERS, Phalumugnvmr. wnhinyon. D. C;

Uivrr'nn STATES PATENT @iii-sien.

ROBERT MIEHLE, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF TO OHN J.MIEHLE, OF SAME PLACE.

PRINTING-PRESS.

SPECIFICATION forming part of Letters Patent No. 304,345, datedSeptember 2, 1884.

' Application filed May 4, 1883. (Model.)

1'0 all zoll/0m, it may concern.-

Be it known that I, ROBERT MIEHLE, a citizen of the United States,residing at Ohicago, in the county of Cook and State of Illi- 5 nois,have invented certain new and useful Improvements in Printing-Presses,and I do hereby declare the following to bea full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which IO it appertains to make and use the same.

My invention relates to two-revolution-cylinder or stop-cylinderpresses. In this class of presses it has been common to take the printedsheets from the cylinder and deposit them upon the table on the front ofthe press.

The devices heretofore employed for this purpose have been more or lesscomplicated, and in nearly every instance bring the printed side'of thesheet in contact with some part 2O of the press. Other devices have beenemployed which do not bring the printed side in contact with the press,but convey the sheets upon tapes moving upon aj ointed frame which laysone end of the sheet upon the front end of the table, and then drawsaway from the table in such a manner that the sheet will be allowed tofall upon the latter with the printed side uppermost.

The object of my invention is to improve upon this class of devices.

To that end the nature of my invention consists of constructions andcombinations of parts, all as will hereinafterbe described in the bodyof the specification and pointed out in the claims.

Referring to the drawings, Figure l represents an elevation of one sideof the press; Fig. 2, a side view showing the interior of the press, theside framev having been removed and the shafts shown in section; Fig. 3,a top plan view; Fig. 4, arear elevation; Fig. 5, a side elevation ofpart of the machine on the side opposite to that shown in Fig. l; Fig.6,

` a perspective of the grippers; Fig. 7, a de- .tail of part of thepress, showing one end of the cylinder, its shaft, and the other partsfor operating the cam on the end of the cylinder; Fig. S, an elevationshowing the receivingboard elevated; Fig. 9, an elevation showing thedelivery-frame and its appendages turned up, so that the interior of thepress can be inspected; Fig. l0, an elevation of the segmental wheel onthe side opposite to that shown in Fig. l; Fig. 11, an end View of thecylinder and cam, Fig. l2, a side elevation of the journal-box on anenlarged scale; Fig. 13, a detail of shaft E; Fig. 14, a detail of rodK2, Fig. l5, a detail of the toggle -joint and appendages; Fig. I6, avertical section of wheel l.

A represents the frame of the press, con- 6o sisting of sides A A',connected at their ends by cross-pieces A2, having standards a,connected by short arms a3 to the inner side of the sides AA. The objectof this construction is to leave a sufficient spacebetween the standardsa2 for the passage of the bed, and thus increase 'its working-space, sothat the latter may be formed in a manner and for a purpose that willhereinafter be described.

The upper part of the frame at the rear end 7o is connected together bythe feed-board A3 and an arch, A4, which forms the rear sup- -port forthe delivery-table A5. The front end of said table rests upon thehorizontal part a* of an angle-plate, AG, and is held thereon by lugs a,attached to the vertical part a5 of plate A. The under side of part arests upon brackets a, having forwardly-projecting arms al, in which isjournaled a shaft, Aithaving arms attached to the angle-plate A6. A@each 8O end of this shaft are upwardly-projecting arms al, provided withpins a8 and downward eX- tensions am, which, when the pin b2 isinsert-:T it;

ed in the perforation in the main frame, prevents the shaft A( vfromrevolving. The pins 8 5 15 a8 pass into slots b in the end of thedeliveryframe B, and serve to hold the latter in place, and whenwithdrawn permit of its being swung or moved to the position shown inFig. 9. The rear end of the delivery-frame B is 9o `journaled at b5 to ashaft, AS, which in turn is journale/l in upwardly-projecting arms A9upon the journal-box A10. (See Figs. l, 3, and 7.) ,Upon this shaft arekeyed wheels B2, B3, and B4, placed,res1' ectively,as shownin the 95 topplan view, Fig. 3. Vheel B2 meshes with a pinion. Bi", onthe wheel B6,which is at- .i tached to the shaft of the cylinder B7. The Q ""liwheels B and B* are sprocket-wheels with raised teeth for the chainsB10, which connect roo frame. If desired,whecls having depressions andbelts having ribs may be substituted for the sprocket wheels and chains.Attached to each chain and at opposite points is a gripperframe,C',having stationary jaws c and arms c', in which is journaled a shaft,C', having the movable jaws el and the usual closing-spring.

Upon one end of shaft C is a wiper, c,

"` 3 which,when it slides down the cam C2, causes the shaft C to partlyrevolve and separate the nipping-jaws c and c2, which grasp the sheet atthe same time that the cylinder-nippers release their hold upon theprinted sheet. The gripper-frame, while carrying the sheet, is drawnacross the space between .the front of the cylinder until the wipercomes in contact with cam C3, which forces the nipping-jaws apart andcauses them to deposit the sheet upon the delivery-table. Thegripper-frame then passes over wheels B and B9 and toward the cylinder.Y

To prevent the chain or belt from sagging, I provide grooved supports orbearings B, which are attached by arms b to the frame B. If desired, thecenter bar of the frame may be dispensed with and a frame having groovesin its upper andlower sides for the chain or belt used instead.

Projecting downwardly from the frame B are arms D, having j ournaledtherein a shaft or reel, D', upon which is wound a cloth, D2. t

If desired, tapes may be substituted for the cloth. This cloth isattached by its loose end to the support and packer D3, havingupwardly-projecting arms d3, which move upon ways sheet carried by thedeliverer until the grip-` per C is about to release its hold, when thepacker draws back, so that the sheet will fall upon the delivery-table.After the sheet has fallen the packer moves forward and pushes the sheetagainst the vertical part a5 of the angle-iron A. This movement isaccomplished by the following means:

At the outer end of reel D is a loose thimble, D5, held in place on theinner side by the pendent arm D, and onthe outer side by a bar, d, fixedto the shaft, and having a screwpin, di, on one end, and a handle forrevolving the device upon the other. is screwed in the eye of a forkedclutch, d,

- which embraces the shaft of the thimble, and

may be drawn tightly against the vinner face of the base of the thimbleby turning the screw, and thus form a clutching device. The

The screw-pin dT emnter-weight D4 to draw the support and packer towardthe front of the machine. The object of this is tov regulate thedistance between the front wall of the packing-chamber and the packer,so that sheets of different sizes used at different times will beaccurately packed.

Upon the shaft of thimble D5 is a pinion, d, which gears with asegmental gear-wheel, A1, loose upon shaft A8. When the thimble isclutched,the deliverer may be moved to the position shown in Fig. 9 byunloosening pin lZ, (which is inserted in the side frame, and againstwhich the downwardly-projecting extension am of arms al rest,) to allowthe pins as to be disengaged from the slots b, and revolving the thimbleD5 on segmental wheel A13 by means of bar d until ithasreached anydesired position. The deliverer can be returned to its position byrevolving bar d in the opposite direction, and be fixed in place t byinserting pin as in the slot b in the delivery-frame, and the pin b2 inthe frame and against extension am.

Projecting rearwardly from and forming part of the segmental wheel A isan arm, a,

Vto `which is attached a rod, D, extending to a cam, E, on shaft E. Thelower end of the rod is slotted to have a vertical movement, and isprovided with a projection, d, which is forced downwardly by the cam E',and draws the rod vwith it. In moving downwardly the rod draws thesegmental gear in the direction of the arrow and revolves reel D bymeans of thimble D5. The reel winds part of the-cloth upon itself, andleaves space for the sheet to fall. This movement is accomplished at themoment the nippers let the sheet fall. When the lesser diameter of thecam E is against the projection Z9/the winding force of the reel D isreleased, and the counter-Weight draws the support and packer againstthe end of the paper, which is forced against the front board of thepacking-chamber. This movement is accomplished at every secondrevolution of the cylinder, so as to give each sheet full chance to bepacked in place bythe time the next sheet is depositedin the chamber.

On the shaft E, at the'same end as cam E,

is groove e, in which a pin, c', on a connect- A ing-rod, E, rests. Thisrod is fulcrumed at e, and pivoted to a link, e3, which is supported bya lever, c", fulcrumcd on a lug, e, on the frame. y

Upon the end of the link c3 is fixed a pin, e, which passes through theframe toward the end ofthe cylinder, and on the lower end of lever c" isa similar pin, c". The pin e" is forced toward the cylinder, when thelower end of rod E2 is forced outwardly by the groovee, and the pin eSis drawn away from the cylinder at the same time by lever e, which isconnected to the link e, as shown. The position of the pins is reversedwhen the lower end of the rod El is drawn toward the frame. Thisconstruction is common in two-revolution presses.

IIO

In cylinder B7 is the usual longitudinal depression, having a shaft, E3,journaled there'A in, and provided with nippers e, which catch the endof the sheet passing from the feedboard and holds it against thecylinder while the latter is being revolved.

To insure the nippers holding the sheet thereon, a spiral spring, el,attached by one end to the cylinder and by the other to a crank-arm onthe end of shaft E3, is provided. The nippers are lifted from thecylinder by a cam, E4, having slots e and ew. The slot e embraces pines, which turns the cam E* and rocks the shaft in such manner as topoint the nippers to the opposite side of the longitudinal depression tothat at which they nip the sheet, and they are held there by the actionof spring em, which changes its position with each rocking of the shaftThe position of the nippers is changed by the slot e of cam E* beingbrought in contact with the pin e, which turns the cam E* and brings thepoint of the nippers against the cylinder in the im mediate vicinity ofthe longitudinal slot, as shown. When the nippers are in the positionand are holding asheet, the pin es does not act upon the cam, but iswithdrawn by the lever e, which also withdraws the pin e when the camhas reached a point nearly opposite it, and forces pin e8 towa'rd thecylinder, so that the cam Et, and consequently the nippers, will beturned to release the sheet at the time the nippers on the delivererdraw said sheet from the cylinder.

In practice it has been found that by carelessness, or by the rod E"becoming incapable of operating the parts, the cam E4 becomes.

turned, and, striking in that position against pin e", causes some partof the mechanism to break.

Projecting rearwardly from and attached to the rod E2 is a sleeve, e,which moves to and from the frame with the rod. Passing through thissleeve is a pin, g, attached to an arm, G, having a forked end, whichembraces the cylinder-shaft, or it may be slotted and attached to a pinon the frame. rlhe upper end of arm G is attached to a crank-arm, g, onthe bar G of the feed-guides g2. These guides are operated by a cam, G2,on the end of the cylinder-shaft and under the pin g in the followingmanner: Vhen the nippers are about to take the sheet from the feedingdevice and hold it against the cylinder, the greater radius of the caniis just entering in contact with the sleeve e, and revolves in thatposition until the sheet leaves the feed-board, when the lesser radiuspresents itself and the feedguides fall and prevent the second sheetfrom passing from the table. At the same time that the feed-guides fallthe sleeve el? is drawn been completed, the sleeve e is brought incontact with the cam, for the purpose of lifting the feed-guides.

It may be noted here that the movement of the sleeve c is the same aspin which closes the nippers, so that the latters movement and thelifting of the feed-guides are coincident.

The cylinder-shaft is journaled in boxes A10, formed in two sectionsattached together, and

which move in guides in the box-frame H, at-

tached to the side frames of the press, and are supported by a spring,h2, having a ring attached to its top and provided with verticalprojections h3, which rest against the under side of the box. The upperand lower sides v of the box are recessed for the ends of cams h and h',which are pivoted to the walls of the recesses and operate against thetop and bottom of the box-frame. The relative position of the cams isshown in Fig. l Upon each cam is an inwardly-projecting pin, h*h5,\vhich rest in forked projections h and hl on ring H, having adownwardly-extending rod,H2,which is connected to a rod, H3, by a link,H, The rod H3 is fixed to a rock-shaft, H5, which, when rocked, rocksthe ring H in such a manner as to alternately force the free end of camsh and h, respectively, against lthe top and bottom of the box-frame, andthus depress or elevate the cylinder.

To each ofthe boxes A1 is attached a bracket, A", which supports theshaft A-thab carries the delivery-frame. XVhen the cylinder is lifted,the same motion elevates the rear end of4 the delivery-frame. rlheforward end of the latter slides on the pins as, vand thus compensatesfor thelift-ing movement of the frame. Beneath the cylinder is the bedl, supported by the ways I', having frames l2, provided with rollers 2for the lianges of the vbed to move upon. Attached to the middle of theframe is the bed-rack l, consisting of two racks, l4 and l5, joined by aplate, l, having at each end shoes lT and lg. The racks l* and l5terminate a little beyond the curved end t' of IOO IIO

shoes ll, (see ft.) The shoes lT are attached to the extreme end ofplate l, and curved at their upper and lower inner endsyi, and vertical(i3) between these points. The inner sides, z, of shoes lS are rounded,and their outer ends, i5, are inclined, so as to be parallel withv endsi, and their middle part, i, is parallel with part 3 on shoe I7. Theobject of these curves is to permit the pinion to pass out of contactwith either the upper or lower rack, and pass to either the lower orupper rack, where it will strike or bear against the end 'i' and bedrawn in between the racks, but only in Contact with one. To accomplishthis l provide a roller, if', which isjournaled to a pin on the pinionl. When the 'pinion l revolves, say, upon the lower rack and reaches thepoint i', it leaves the rack, but

the roller catches upon the lower curved end curved'part t', it drawsthe pinion toward the rack. The teeth of the pinion strike aga-inst therack at i, and mesh with the upper rack and draw the bed toward the rearof the machine. The same operation is performed when the pinion reach esthe opposite end of the rack, except that the pinion descends to thelower rack. By this means the bed is kept in motion with thepinion,which revolves once from one end of the rack to the other, andthe roller i is so placed that it will enter one end of the spacebetween the shoes and continue its motion to the other end,the same asif the space were cogged, but without the jar that would occur it' suchspace were cogged. The pinion I9 is xed to a shaft, Il, which passesthrough Slot im in standard I, through part 113 of toggle-joint In, andthrough abearing, I, having trunnio11st,which are held against the frameby straps i.

Attached to the toggle-joint I12 at joint @"2 is a link, K, pivoted tothe standard In. On the I joint im is a rod,` K, having its rear endpivoted at k to a connecting-rod, K2. The rear end of this rod ispivoted to an arm, K3, on rock-shaft H5. The forward end ofconnecting-rod K2 is slotted and provided with rollers k2 at each end ofthe slots,for the cam K to move upon. These rollers maybe so arrangedthat they can be moved forward to take up the wear of the cam K4 byremoving the top and bottom plates and resetting them by means oftheslots andserews. (SeeFig. 14;.)v Thecam K* is keyed to shaft E,whichis revolved by a gear, Kwhich meshes with an idle-wheel, K, thatreceives its motion through cog-wheel K1 on the drive-wheel shaft KS.

Extending from the frame is a loop for supporting the shaft KS, whichcarries a gearwheel, K9, meshing with a gear-wheel, K1", on the end ofthe shaft Ilo.

Gearing with wheel K10 is the drive-wheel B for the cylinder, and havinga pinion, B5, which in turn gears with wheel B2, for a purposeheretofore explained.y

In practice it is often necessary to remove the damp sheets from thereceiving-table, but, owing to their dampness, they areliable to bedamaged. To prevent this I place the receiving-table upon the standardand hold them in place by lugs, from under which they can be withdrawnby simply sliding the table out at either side. Y

It can readily be seen that a table loaded with damp sheets may beremoved and a second table inserted without dificulty by hinging thedelivery-frame at one end, so that it can be drawn up, as beforedescribed, and, hinging the angle-iron upon which the table rests, thewhole interior of the press can be ez;- posed to view.

I do not claim in'this application a pendent plate provided with tworacks-one above the other and facing each other-and double shoes at eachend, and a gear-wheel which makes exactly one revolution in moving thebed in one direction and passes between the shoes to the'other rack, asthat will form the subjectmatter of a separate application.

Having thus described my invention, I claim as new- 1. In aprinting-press, the combination of a cylinder, a sheet-deliverercarrying the sheet by one end, a table below said deliverer, and anadjustable support interposed between the table and deliverer,substantially as described.

2. In a printing-press, the combination of a frame having cams C2 andC3, a cylinder, a sheet-deliverer having sheet-nippers operated by saidcams and carrying the sheet by one end, a table below said deliverer,and an adjustable support interposed between the table and deliverer,substantially as described.

' 3. In a printing-press, the combination of a cylinder, areceiving-table having a stop at its front end, an automaticsheet-deliverer above the table and lcarrying the sheet by its frontend, and a support between the deliverer and table for the free end ofthe'sheet, and having means, substantially as described, forautomatically drawing said support backas the sheet is about to bereleased, and moving it forward when the next sheet has been rej IOO 5.In a printing-press, the combination of a shaft provided with asegmental gear having a rod operated by a cam, and a supporter andpacker connected to a reel by a cloth, and having a counter-balance, andsaid reel having a gear-wheel meshing with the segmental gear,substantially as described.

j 6. In a printing-press, the combination o f a delivery-frame havingrods, a supporter and packer having arms sliding on said rods andconnected to alreel by a cloth, counter-weights for drawing thesupporter and packer forward, said reel having a gear-wheel, and a shafthaving a segmental gear, operated substantially as described. v

7. In a printing-press, the combination of a deliverer, a segmentalWheel loose upon one end of a shaft, and having a connecting-rodoperated by a cam, a table beneath the deliveryframe, a supporter andpacker between the table and deliverer, and connected to a shaft or reelby cloth, said shaft or reel having a gear-wheel meshing with thesegmental gear, and counter-weights attached to the deliverer and packerby cords passing over rollers at the front of the frame, substantiallyas described.`

IIO

8. In a printing-press, the combination of a shaft having a bar fixed atone end and provided with aset-screw and aclutch, and a thimble on saidshaft, having a flange adapted to be fixed in place by clamping itbetween the bar and clutch, substantially as described.

9. In a printing-press, the combination of a deliverer hinged at one endand a receivingboard hinged at the end opposite to the hinged end of thedeliverer, substantially as described, so that both may be elevated, andthus expose the interior of the press.

10. In a printing-press, the combination of a frame having an arch forsupporting one end of a receiving-table, and brackets at the other end,a pivoted angle-plate attached to the bracket, and having means,substantially as described, for holding the table.

1l. In a printing-press, the combination of the cylinder-shaftjournal-boxes having cams pivoted at top and bottom, a frame surroundingsaid boX, and a connectingrod pivotedV on the cylinders shaft, andhaving pins attached to the cams on the journal-boxes, substantially asdescribed.

12. In a printing-press, the combination of the rod E2, having a sleeve,e, connected therewith, a frame having` pin f/ for sleeve e, and a shafthaving'a cam Which revolves beneath the pin g, substantially7 asdescribed.

13. In a printing-press, the combination, With the bed carrying apendent rack, I, of a gear-Wheel, I, standard In, a toggle-joint, I, ashaft, Il", carrying Wheel I, and journaled at its outer end in atrunnioned bearing attached to the frame, a link pivoted to standard I11and toggle-joint Il, a rod, K, attached to the link by one end and to arod, K2, by the other, and said rod K2 attached to a crank, K3, on shaftH5, and supported on shaft E, having a cam' for oscillating the rod,substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

ROBERT MIEHLE.

Vitnesses:

C. A. NEALE, M. F. IIALLECK,

